428798975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 604247040

約数和(自身を除く): 175448065

約数列:

[1, 5, 11, 25, 31, 55, 155, 179, 275, 281, 341, 775, 895, 1405, 1705, 1969, 3091, 4475, 5549, 7025, 8525, 8711, 9845, 15455, 27745, 43555, 49225, 50299, 61039, 77275, 95821, 138725, 217775, 251495, 305195, 479105, 553289, 1257475, 1525975, 1559269, 2395525, 2766445, 7796345, 13832225, 17151959, 38981725, 85759795, 428798975]

約数ペア:

[(1, 428798975), (5, 85759795), (11, 38981725), (25, 17151959), (31, 13832225), (55, 7796345), (155, 2766445), (179, 2395525), (275, 1559269), (281, 1525975), (341, 1257475), (775, 553289), (895, 479105), (1405, 305195), (1705, 251495), (1969, 217775), (3091, 138725), (4475, 95821), (5549, 77275), (7025, 61039), (8525, 50299), (8711, 49225), (9845, 43555), (15455, 27745)]